Shelf support for a train track



FIG. 1 is a front perspective view of the shelf support for a train track;

FIG. 2 is a front view of the design of FIG. 1;

FIG. 3 is a back view of the design of FIG. 1;

FIG. 4 is a left side view of the design of FIG. 1;

FIG. 5 is a right side view of the design of FIG. 1;

FIG. 6 is a top view of the design of FIG. 1; and,

FIG. 7 is a bottom view of the design of FIG. 1.

The broken lines in the drawings illustrate portions of a shelf support for a train track which form no part of the claimed design. 

CLAIM The ornamental design for the shelf support for a train track, as shown and described. 